Day 01 Foundations

Data Structures and Algorithms: AI as Your Practice Partner

DSA interviews are pattern-recognition tests. AI accelerates your practice by generating problems at your level, explaining solutions, and adapting to your gaps.

~1 hour Hands-on Precision AI Academy

Today’s Objective

DSA interviews are pattern-recognition tests. AI accelerates your practice by generating problems at your level, explaining solutions, and adapting to your gaps.

Traditional prep: buy a book, grind through 200 fixed problems, hope the ones you practiced come up. AI-powered prep: generate problems targeted to your specific gaps, get step-by-step hints without spoilers, explain why a solution works — not just that it works.

Your DSA Practice Partner Setup

DSA Problem Generation Prompt
DSA PROBLEM GENERATION PROMPT
You are my technical interview coach. I am preparing for
software engineering interviews at mid-tier tech companies.

My current level: [beginner / intermediate / advanced]
Topics I struggle with: [e.g., "dynamic programming, graphs"]
Language preference: Python

Generate a LeetCode-style problem that:
- Tests [specific topic]
- Is at [Easy/Medium] difficulty
- Has a clear, realistic problem statement
- Includes 2-3 example test cases

After I attempt it, you will review my solution and:
1. Identify bugs without giving away the fix
2. Ask me what the time/space complexity is
3. Show me the optimal solution only after I've attempted one
Hint Request Prompt
HINT REQUEST PROMPT
I've been stuck for 15 minutes. Give me a hint that:
- Does NOT reveal the algorithm
- Asks me a question that points me in the right direction
- Explains what pattern this problem falls into

My current thinking: [describe your approach so far]
Solution Review Prompt
SOLUTION REVIEW PROMPT
Review my solution:

[PASTE YOUR CODE]

Tell me:
1. Does it pass all test cases? Walk through each.
2. What is the time complexity? Space complexity?
3. What would a senior engineer say about the code quality?
4. How would you optimize this if performance mattered?
5. What is the most elegant solution to this problem?

The 14 DSA Patterns That Cover 80% of Problems

The pattern approach: When you see a new problem, identify its pattern before writing any code. Ask Claude: "What pattern does this problem use?" until you can identify patterns yourself. Pattern recognition is the actual skill being tested.
Day 1 Exercise30-Minute DSA Practice Session
  1. Set up the DSA coach prompt with your level and weak topics.
  2. Request one Easy and one Medium problem.
  3. Attempt each problem for 20 minutes max. If stuck, use the hint prompt.
  4. After each solution, run the review prompt on your code.
  5. For each problem: write down the pattern it used in your notes.

Supporting Resources

Go deeper with these references.

LeetCode
LeetCode Problem Set The primary platform for algorithm interview practice with company-specific lists.
GitHub
Tech Interview Handbook Curated guide to the technical interview process with tips for every phase.
NeetCode
NeetCode 150 Roadmap Structured 150-problem curriculum organized by pattern for systematic preparation.

Day 1 Checkpoint

Before moving on, make sure you can answer these without looking:

Continue To Day 2
System Design: Practice High-Level Architecture Interviews